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https://sites.google.com/rafflesgirlssch.edu.sg/perlsymposium2021

Presentation B5
Learning chemical bonding is made easy and fun by using “Dot and Cross” simulation created from Easy JavaScript Simulation (EJSS) Toolkit.
Methodist Girls’ School

David presented! 

https://iwant2study.org/ospsg/index.php/interactive-resources/chemistry/03-chemistry-of-reactions/922-dotandcrossdiagram8